A fire piston that produced heat and fire from the compression of air in a small tube of bamboo was a fancy device invented and used in southeastern Asia, Indonesia, along with the Philippines. About 1800 a steel fire piston was independently invented in Europe. In 1827 the English chemist https://fireratedductworthinsulat02344.bloguetechno.com/5-easy-facts-about-fire-rated-ductworth-insulation-described-71785815